SIDU
SIDU stands for SQL Select Insert Delete Update. SIDU is a FREE database client working via web browser. SIDU is a simple, intuitive and easy database admin tool. SIDU works via web browsers such as Firefox, IE, Opera, Safari, Chrome, etc.
SIDU looks like database font-end software GUI rather than web pages. SIDU is not only a joy tool, it helps you to have an easy life with databases, and enjoy the relaxation at work. Version : 6.0

phpMyAdmin
phpMyAdmin is a free software tool written in PHP intended to handle the administration of MySQL over the World Wide Web.
phpMyAdmin supports a wide range of operations with MySQL. The most frequently used operations are supported by the user interface (managing databases, tables, fields, relations, indexes, users, permissions, etc), while you still have the ability to directly execute any SQL statement. Version : 4.8.5

MyWebSQL
MyWebSQL is the ultimate desktop replacement for managing your MySQL databases over the web.
With interface that works just like your favourite desktop applications, you don't need to keep switching over webpages to get simple things done.
Just login to your database and manage your database as if your are working on your desktop! Version : 3.7

Adminer
Adminer is a full-featured database management tool written in PHP.
Conversely to phpMyAdmin, Adminer consist of a single file ready to deploy to the target server. Adminer is available for MySQL, PostgreSQL, SQLite, MS SQL and Oracle. Version : 4.7.1

Chive
Chive is a modern Open-Source MySQL Data Management tool. With it's fast and elaborate user interface it is getting very popular especially by web engineers. Chive was created because of an disaffection with existing tools. They usually were hard to handle and very time-consuming while the daily use of an web engineer.
Chive is a free, open source, web-based database management tool, designed to bring joy to web developers - with easy administration, super fast UI and state of the art web technologies. Based on top of the current version of the Yii framework, Chive takes advantage of the MVC design pattern and unit testing. Version : 1.3.1